Answer:
I am used when you jump off a bridge for fun.
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
The more you work the more I'll eat.You keep me full I'll keep you neat.
Take off my skin I won't cry but you will.
I have an eye but I cannot see. What am I?
What an fill a room but takes up no space?